Rock County, WI

ZIP 53505

In ZIP 53505, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Whitewater Waterworks meets every EPA legal limit; 14 contaminants are above health goals, led by lead at 15× California’s Public Health Goal.
• Nearest Superfund site: Wheeler Pit, 8.1 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Evonik Corp (64%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 274,069 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53505

• Superfund sites nearbyA
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityA
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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